bool
flow_entry_matches(struct flow_entry *entry, struct ofl_msg_flow_mod *mod, bool strict) {
if (strict) {
return (entry->stats->priority == mod->priority) &&
match_std_strict((struct ofl_match_standard *)entry->stats->match,
(struct ofl_match_standard *)mod->match);
} else {
return match_std_nonstrict((struct ofl_match_standard *)entry->stats->match,
(struct ofl_match_standard *)mod->match);
}
}
bool
flow_entry_matches(struct flow_entry *entry, struct ofl_msg_flow_mod *mod, bool strict, bool check_cookie) {
if (check_cookie && ((entry->stats->cookie & mod->cookie_mask) != (mod->cookie & mod->cookie_mask))) {
return false;
}
if (strict) {
return ( (entry->stats->priority == mod->priority) &&
match_std_strict((struct ofl_match *)mod->match,
(struct ofl_match *)entry->stats->match));
} else {
return match_std_nonstrict((struct ofl_match *)mod->match,
(struct ofl_match *)entry->stats->match);
}
}
void
flow_table_aggregate_stats(struct flow_table *table, struct ofl_msg_stats_request_flow *msg,
uint64_t *packet_count, uint64_t *byte_count, uint32_t *flow_count) {
struct flow_entry *entry;
LIST_FOR_EACH(entry, struct flow_entry, match_node, &table->match_entries) {
if ((msg->out_port == OFPP_ANY || flow_entry_has_out_port(entry, msg->out_port)) &&
(msg->out_group == OFPG_ANY || flow_entry_has_out_group(entry, msg->out_group)) &&
match_std_nonstrict((struct ofl_match_standard *)msg->match,
(struct ofl_match_standard *)entry->stats->match)) {
(*packet_count) += entry->stats->packet_count;
(*byte_count) += entry->stats->byte_count;
(*flow_count)++;
}
}
}
void
flow_table_stats(struct flow_table *table, struct ofl_msg_stats_request_flow *msg,
struct ofl_flow_stats ***stats, size_t *stats_size, size_t *stats_num) {
struct flow_entry *entry;
LIST_FOR_EACH(entry, struct flow_entry, match_node, &table->match_entries) {
if ((msg->out_port == OFPP_ANY || flow_entry_has_out_port(entry, msg->out_port)) &&
(msg->out_group == OFPG_ANY || flow_entry_has_out_group(entry, msg->out_group)) &&
match_std_nonstrict((struct ofl_match *)msg->match,
(struct ofl_match *)entry->stats->match)) {
flow_entry_update(entry);
if ((*stats_size) == (*stats_num)) {
(*stats) = xrealloc(*stats, (sizeof(struct ofl_flow_stats *)) * (*stats_size) * 2);
*stats_size *= 2;
}
(*stats)[(*stats_num)] = entry->stats;
(*stats_num)++;
}
}
}
/* Two matches overlap, if there exists a packet,
which both match structures match on. */
bool
match_std_overlap(struct ofl_match *a, struct ofl_match *b) {
return (match_std_nonstrict(a, b) || match_std_nonstrict(b, a));
}
/* Two matches overlap, if there exists a packet,
which both match structures match on. */
bool
match_std_overlap(struct ofl_match_standard *a, struct ofl_match_standard *b) {
return match_std_nonstrict(a, b) || match_std_nonstrict(b, a);
}
